Home / 80,198,884.12-110,655,489.21-45,391,574.57

Finding the Fourth Proportional to 80,198,884.12, 110,655,489.21 and 45,391,574.57

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Solution

The fourth proportional to 80,198,884.12, 110,655,489.21 and 45,391,574.57 is: 62,629,635.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,198,884.12 : 110,655,489.21 = 45,391,574.57 : x
  2. Step 2: Convert to fraction form
    80,198,884.12/110,655,489.21 = 45,391,574.57/x
  3. Step 3: Cross multiply
    80,198,884.12x = 110,655,489.21 × 45,391,574.57
  4. Step 4: Simplify right side
    80,198,884.12x = 5,022,826,889,770,874
  5. Step 5: Solve for x
    x = 5,022,826,889,770,874/80,198,884.12
  6. Step 6: Final answer
    x = 62,629,635.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.